128774212

素因数分解:

$2^2\times 7^1\times {\mathrm{653}}^1\times {\mathrm{7043}}^1$

素因数の和:7707

約数の個数: 24

約数和(自身を含む): 257979456

約数和(自身を除く): 129205244

約数列:

[1, 2, 4, 7, 14, 28, 653, 1306, 2612, 4571, 7043, 9142, 14086, 18284, 28172, 49301, 98602, 197204, 4599079, 9198158, 18396316, 32193553, 64387106, 128774212]

約数ペア:

[(1, 128774212), (2, 64387106), (4, 32193553), (7, 18396316), (14, 9198158), (28, 4599079), (653, 197204), (1306, 98602), (2612, 49301), (4571, 28172), (7043, 18284), (9142, 14086)]